Frank Austin Doll, 86, died Dec. 16 at his home in Avon.Mr. Doll was born April 6, 1921, in Denver, to Frank and Helen Herres Doll.Mr. Doll, grew up ranching in the Gypsum area where the demanding work environment had him doing chores morning and night, before and after school, and working at a cow camp in the Flat Tops when he was just 12.After attending Eagle Valley High School, Mr. Doll attended the Colorado School of Mines and later transferred to Colorado A&M (now CSU), where he earned degrees in business and agriculture.He married Imogene Nottingham April 19, 1948. They had four daughters.Doll spent 25 years in the military, seeing active duty during World War II. He was an aerial artillery observer during action at the Faliase Gap after the Allied invasion at Normandy.Later in the war, he helped liberate the notorious Nazi death and prison camp north of Munich. Later he was given duty tours in Italy and Korea. He achieved the rank of Lt. Colonel when he left the U.S. Army.He worked for a number of companies including Vail Associates, the Eagle-Vail Golf Course and a local insurance agency. He also managed the now-defunct Meadow Mountain Ski area north of Minturn.He was the driving force in formation of the Eagle County Historical Society, a group he remained active in until the final months of his life. Many visitors knew the cowboy-hatted Mr. Doll as a teller of genuine stories at the Park Hyatt Hotel in Beaver Creek, and many locals as a selfless giver of time and support. Still others, such as local newspaper editors, were often politely reminded of facts when there was inaccurate reporting. His meticulous filing could produce historical snippets of information that even Google couldn’t rival.Mr. Doll gave freely of his time, skills and effort. He served as chairman of the Avon Planning and Zoning Commission in the 1980s.He was also active in supporting the Eagle County Library District, the Shaw Cancer Center, Habitat for Humanity and supporting his friends with regular visits. He was a weather watcher for the National Weather Service, making and reporting daily temperature and precipitation readings from a small weather station in his yard in Avon.When he had spare time he liked to fly-fish, ski, and golf, and he was a voracious reader. Mr. Doll is survived by his brother Morton Doll of Gypsum; daughters Sharon Doll of Gypsum, Kathy Doll of Edwards, and Tricia Medeiros of Laramie, Wyo.; grandsons Levi Medeiros of Laramie, and Matthew Medeiros of Loveland; one great-grandson and one great-granddaughter.He was preceded in death by a daughter, Imogene Doll.A memorial service will be held from noon until 4 p.m. Saturday, Jan. 5, at the 4 Eagle Ranch in Wolcott. Mr. Doll will be buried at the Eagle Cemetery not far from the Gypsum valley he called home.